kernel: drop backported gpio emulated open drain output fix

This patch has been backported to stable kernel 5.4 already.

Remove our local patch explicitly now, as by applying the patch
(or refreshing) the relevant code is actually added a second time.

Refresh remaining patches as well.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/generic/backport-5.4/818-v5.8-i2c-pxa-remove-some-unnecessary-debug.patch

@@ -18,11 +18,9 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
  drivers/i2c/busses/i2c-pxa.c | 4 +---
  1 file changed, 1 insertion(+), 3 deletions(-)
 
-diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
-index 0becab239476..db739cce93ac 100644
 --- a/drivers/i2c/busses/i2c-pxa.c
 +++ b/drivers/i2c/busses/i2c-pxa.c
-@@ -1161,10 +1161,8 @@ static int i2c_pxa_pio_set_master(struct pxa_i2c *i2c)
+@@ -1116,10 +1116,8 @@ static int i2c_pxa_pio_set_master(struct
  	/*
  	 * Wait for the bus to become free.
  	 */
@@ -34,6 +32,3 @@ index 0becab239476..db739cce93ac 100644
  
  	if (timeout < 0) {
  		show_state(i2c);
--- 
-2.20.1
-